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Show Results For
- All HBS Web
(10,256)
- People (22)
- News (1,561)
- Research (7,268)
- Events (98)
- Multimedia (65)
- Faculty Publications (5,716)
- April 2021 (Revised March 2024)
- Case
Social Media War 2021: Snap vs. Facebook vs. TikTok
By: David B. Yoffie and Daniel Fisher
This case explores the competitive war between Snap, Facebook, and TikTok in 2021. The strategic focus is on Snapchat: how should it respond to the emergence of TikTok, and how should it compete with the dominant competitor in its space—Facebook. The case examines... View Details
Keywords: Strategy Development; Competitor Analysis; Strategy; Network Effects; Competitive Strategy; Decision Choices and Conditions; Social Media
Yoffie, David B., and Daniel Fisher. "Social Media War 2021: Snap vs. Facebook vs. TikTok." Harvard Business School Case 721-443, April 2021. (Revised March 2024.)
- 2005
- Working Paper
A Feminist Analysis of Micro Research on Gender in Organizations: Suggestions for Advancing the Field
By: Robin J. Ely and Irene Padavic
- Article
Improving Environmental Performance Assessment: Comparative Analysis of Weighting Methods used to Evaluate Chemical Release Inventories
By: Michael W. Toffel and Julian D. Marshall
Toffel, Michael W., and Julian D. Marshall. "Improving Environmental Performance Assessment: Comparative Analysis of Weighting Methods used to Evaluate Chemical Release Inventories." Journal of Industrial Ecology 8, nos. 1-2 (January 2004): 143–172.
- Web
Blending Traditional Models of Philanthropy with Business | Social Enterprise | Harvard Business School
a place like Endeavor, an NGO that works with highly-scalable commercial enterprises, we're blending traditional models of philanthropy with business. As for the team, most are young and dynamic View Details
- 2005
- Working Paper
Additive Rules for the Quasi-linear Bargaining Problem
By: Christopher P. Chambers and Jerry R. Green
We study the class of additive rules for the quasi-linear bargaining problem introduced by Green. We provide a characterization of the class of all rules that are e¢ cient, translation invariant, additive, and continuous. We present several subfamilies of rules: the... View Details
Keywords: Econometric Models
Chambers, Christopher P., and Jerry R. Green. "Additive Rules for the Quasi-linear Bargaining Problem." Working Paper, January 2005.
- May 2014
- Article
Making 'Freemium' Work: Many Start-ups Fail to Recognize the Challenges of This Popular Business Model
By: Vineet Kumar
The article discusses the "freemium" business model, which is used by some Internet businesses and smartphone application developers to give users free basic features of a digital product and access to premium functionality for a subscription fee. The discussion topics... View Details
Kumar, Vineet. "Making 'Freemium' Work: Many Start-ups Fail to Recognize the Challenges of This Popular Business Model." Harvard Business Review 92, no. 5 (May 2014): 27–29.
- 19 Sep 2018
- Working Paper Summaries
From Immigrants to Americans: Race and Assimilation During the Great Migration
- July 2006
- Article
Egocentric, Sociocentric, or Dyadic? Identifying the Appropriate Level of Analysis in the Study of Organizational Networks
By: Mark S. Mizruchi and Christopher Marquis
Mizruchi, Mark S., and Christopher Marquis. "Egocentric, Sociocentric, or Dyadic? Identifying the Appropriate Level of Analysis in the Study of Organizational Networks." Social Networks 28, no. 3 (July 2006): 187–208.
- 2015
- Case
Advanced Leadership Pathways: Issa Baluch and the African Agribusiness Knowledge and Innovation Leadership Initiative (AKILI)
By: Rosabeth M. Kanter and Renee Vuillaume
A veteran of the freight forwarding industry, Issa Baluch wanted to transform the education space in Africa by introducing hands-on practical teaching in agriculture and agribusiness. In the summer of 2015 his vision of a practical learning institute for African... View Details
Keywords: Agriculture; Institutions For Collaboration; Innovation; Innovation And Strategy; Farming; International Development; Stakeholder Engagement; Youth; Environmental And Social Sustainability; Environment; Social Impact Investment; Agribusiness; Education; Training; Leadership; Knowledge; Environmental Sustainability; Innovation Strategy; Knowledge Management; Finance; Africa
Kanter, Rosabeth M., and Renee Vuillaume. "Advanced Leadership Pathways: Issa Baluch and the African Agribusiness Knowledge and Innovation Leadership Initiative (AKILI)." Harvard Business Publishing Case 316-056, 2015. (Harvard Advanced Leadership Initiative.)
- November 2008
- Journal Article
Can Research Committees Add Value for Investors? An Analysis of Lehman Brothers' Ten Uncommon Values® Recommendations
By: Boris Groysberg, Paul M. Healy and Yang Gui
Since 1949 Lehman Brothers has used an investment committee to select the top ten recommendations made by its analysts each year. We examine the performance of this committee's recommendations and find that on average its selections generated abnormal returns of 2.7%... View Details
Keywords: Forecasting and Prediction; Stocks; Financial Markets; Investment; Investment Return; Governing Rules, Regulations, and Reforms; Performance Expectations; Groups and Teams; Research; Value Creation
Groysberg, Boris, Paul M. Healy, and Yang Gui. "Can Research Committees Add Value for Investors? An Analysis of Lehman Brothers' Ten Uncommon Values® Recommendations." Journal of Financial Transformation 24 (November 2008): 123–130.
- Forthcoming
- Article
Training, Communications Patterns, and Spillovers Inside Organizations
By: Miguel Espinosa and Christopher T. Stanton
This paper examines how training affects productivity across hierarchical layers within organizations. After a randomized training program for frontline employees at a government agency, trained workers' output increased while their requests for managerial assistance... View Details
Keywords: Spillovers; Labor Productivity; Firm Objectives, Organization, And Behavior; Training; Performance Productivity
Espinosa, Miguel, and Christopher T. Stanton. "Training, Communications Patterns, and Spillovers Inside Organizations." Journal of Political Economy (forthcoming).
- May 2004
- Article
The Role of Information in Medical Markets: An Analysis of Publicly Reported Outcomes in Cardiac Surgery
By: David Cutler, Robert S. Huckman and Mary Beth Landrum
Cutler, David, Robert S. Huckman, and Mary Beth Landrum. "The Role of Information in Medical Markets: An Analysis of Publicly Reported Outcomes in Cardiac Surgery." American Economic Review 94, no. 2 (May 2004): 342–346. (Papers and Proceedings.)
- September–October 2013
- Article
The Dynamic Advertising Effect of Collegiate Athletics
By: Doug J. Chung
I measure the spillover effect of intercollegiate athletics on the quantity and quality of applicants to institutions of higher education in the United States, popularly known as the "Flutie Effect." I treat athletic success as a stock of goodwill that decays over... View Details
Keywords: Choice Modeling; Entertainment Marketing; Heterogeneity; Panel Data; Structural Modeling; Rights; Analytics and Data Science; Higher Education; Ethics; Consumer Behavior; Advertising; Sports; Advertising Industry; Education Industry
Chung, Doug J. "The Dynamic Advertising Effect of Collegiate Athletics." Marketing Science 32, no. 5 (September–October 2013): 679–698. (Lead article. Featured in HBS Working Knowledge.)
- September 2016 (Revised October 2018)
- Case
Springfield Hospital
By: Susanna Gallani and Robert Kaplan
One of the key roles of costing systems is to support the evaluation of performance and facilitate appropriate resource allocations. Through participation in a comparative cost study, management at Springfield Hospital, known for its heavy focus on operational... View Details
Keywords: Time-Driven Activity-Based Costing; Variance Analysis; Activity Based Costing and Management; Health Care and Treatment; Health Industry
Gallani, Susanna, and Robert Kaplan. "Springfield Hospital." Harvard Business School Case 117-025, September 2016. (Revised October 2018.)
- 2013
- Working Paper
Where do the Most Active Customers Originate and How Can Firms Keep Them Engaged?
By: Clarence Lee, E. Ofek and Thomas Steenburgh
In this paper, we study how firms offering Web services can acquire and develop an active customer base. We focus on two basic questions. First, how does the method of customer acquisition affect the way customers use the service to meet their own needs and to interact... View Details
- 2018
- Working Paper
Bayesian Ensembles of Binary-Event Forecasts: When Is It Appropriate to Extremize or Anti-Extremize?
By: Kenneth C. Lichtendahl Jr., Yael Grushka-Cockayne, Victor Richmond R. Jose and Robert L. Winkler
Many organizations face critical decisions that rely on forecasts of binary events. In these situations, organizations often gather forecasts from multiple experts or models and average those forecasts to produce a single aggregate forecast. Because the average... View Details
Keywords: Forecast Aggregation; Linear Opinion Pool; Generalized Additive Model; Generalized Linear Model; Stacking.; Forecasting and Prediction
Lichtendahl, Kenneth C., Jr., Yael Grushka-Cockayne, Victor Richmond R. Jose, and Robert L. Winkler. "Bayesian Ensembles of Binary-Event Forecasts: When Is It Appropriate to Extremize or Anti-Extremize?" Harvard Business School Working Paper, No. 19-041, October 2018.
- July 2024
- Article
Chatbots and Mental Health: Insights into the Safety of Generative AI
By: Julian De Freitas, Ahmet Kaan Uğuralp, Zeliha Uğuralp and Stefano Puntoni
Chatbots are now able to engage in sophisticated conversations with consumers. Due to the ‘black box’ nature of the algorithms, it is impossible to predict in advance how these conversations will unfold. Behavioral research provides little insight into potential safety... View Details
Keywords: Autonomy; Chatbots; New Technology; Brand Crises; Mental Health; Large Language Model; AI and Machine Learning; Behavior; Well-being; Technological Innovation; Ethics
De Freitas, Julian, Ahmet Kaan Uğuralp, Zeliha Uğuralp, and Stefano Puntoni. "Chatbots and Mental Health: Insights into the Safety of Generative AI." Journal of Consumer Psychology 34, no. 3 (July 2024): 481–491.